AP Chem Lab Equipment

Volumetric flask (Volumetric Glassware [measures ONE exact volume, single line])

A flask with a single etched line marking one exact volume; used for making precise solutions (e.g., 500 mL, 250 mL, 100 mL sizes)

Volumetric pipet (Volumetric Glassware [measures ONE exact volume, single line])

A pipet with a single bulge and one calibration line; delivers one exact, highly precise volume of liquid

Graduated cylinder (Graduated Glassware [multiple markings, measures variable volumes])

A tall, narrow cylinder with multiple markings along its length used to measure varying volumes of liquid

Graduated pipet (Graduated Glassware [multiple markings, measures variable volumes])

A long, narrow pipet with multiple markings (like a ruler) allowing measurement of variable volumes

Buret (Graduated Glassware [multiple markings, measures variable volumes])

A long graduated tube with a stopcock at the bottom, used to dispense precise, variable volumes of liquid (common in titrations)

Erlenmeyer flask (Reaction Vessels [NOT for measuring — from your reference sheet])

Cone-shaped flask used for mixing/reactions, not for precise measurement

Beaker (Reaction Vessels [NOT for measuring — from your reference sheet])

Cylindrical container with a spout, used for mixing/holding liquids, not precise measurement

Test tube (Reaction Vessels [NOT for measuring — from your reference sheet])

Small cylindrical glass tube used to hold small samples for reactions

Florence flask (round-bottom flask) (Reaction Vessels [NOT for measuring — from your reference sheet])

Round-bottomed flask used for reactions/heating, not measurement

Pipet bulb (General Lab Equipment)

A rubber bulb used to draw liquid up into a pipet by suction

Watch glass (General Lab Equipment)

A shallow, curved glass dish used to hold small samples, evaporate liquids, or cover a beaker

Wash bottle (General Lab Equipment)

A squeeze bottle used to dispense small streams of distilled water for rinsing

Thermometer (General Lab Equipment)

A tool used to measure the temperature of a substance

Scoopula (General Lab Equipment)

A small scoop-shaped spatula used to transfer solid chemicals

Rubber stoppers (General Lab Equipment)

Rubber plugs used to seal the openings of flasks or test tubes

Wire gauze (General Lab Equipment)

A metal screen placed on a ring stand to support glassware evenly over a heat source

Crucible and cover (General Lab Equipment)

A small heat-resistant ceramic container with lid, used to heat substances at very high temperatures

Mortar and pestle (General Lab Equipment)

A bowl (mortar) and grinding tool (pestle) used to crush and grind solid substances into powder

Funnel (General Lab Equipment)

A cone-shaped tool used to guide liquids/powders into a small opening, or hold filter paper for filtration

Test tube rack (General Lab Equipment)

A rack with holes used to hold and organize multiple test tubes upright

Crucible tongs (General Lab Equipment)

Long, curved tongs used to safely pick up and move a hot crucible

Clamps (General Lab Equipment)

Adjustable metal fasteners used to hold glassware securely to a ring stand

Test tube holder (General Lab Equipment)

A clamp-like tool used to hold a hot test tube without touching it directly

Platform balance (triple beam) (General Lab Equipment)

A balance with sliding weights used to measure the mass of an object

Ring stand (General Lab Equipment)

A vertical metal pole with a base, used to support other equipment like rings and clamps

Ring support (General Lab Equipment)

A metal ring attached to a ring stand, used to hold a funnel or wire gauze in place

Clay triangle (General Lab Equipment)

A triangular support placed on a ring, used to hold a crucible while heating

Burner (Bunsen burner) (General Lab Equipment)

A gas burner used as a heat source in the lab

Test tube brush (General Lab Equipment)

A brush with a long handle and bristled end used to clean the inside of test tubes